Did this supernova explode twice?

All supernovae are exploding stars. But the nature of a supernova explosion varies quite a bit. One type, named Type 1a supernovae, involves a binary star where one of the pair is a white dwarf. And while supernovae of all ...

These are the fastest stars in the galaxy

Until recently, there were only ten known stars on trajectories that will allow them to escape the Milky Way galaxy, thrown astray by powerful supernova explosions. A new study using data from ESA's Gaia survey this June ...

More efficient satellite launch platform on the horizon

An efficient and cost-effective satellite launch platform could soon be a reality in Australia thanks to a world first engine that's being developed by University of Sydney combustion experts.

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